<html>
<head>

<style>
 colgroup#s { width: 200px; }
</style>

</head>
<body>
<table border="1">
<colgroup></colgroup>
<colgroup id="s"></colgroup>
<tbody><tr><td>cell 1,1</td><td>cell 1,2</td></tr></tbody>
<tbody><tr><td>cell 2,1</td><td>cell 2,2</td></tr></tbody>
</table>
</body>
</html>
